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Research on problems and improvement methods of secondary voltage busbar in protection device
Author(s): 
Pages: 151-154
Year: Issue:  16
Journal: Relay

Keyword:  变电站保护装置二次电压母线方案;
Abstract: 继电保护屏顶二次电压母线的剪断或退出工作经常会造成电压回路的短路,从而引发事故,影响整个变电站的安全运行.针对当前保护装置屏顶二次电压母线存在的问题进行了分析,提出并实施了采用全封闭接线方式和引入交流电压分线屏的两种新型改进方案.结果表明,改进后的方案完全满足电力设备运行的各种要求,缩短了工作时间,降低了误碰短路的几率,从而提高了工作效率,为企业带来效益.
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